Carburetor



L. HAREL Feb. l3, 1931.

cmmaumsm'on Filed Feb. 13. 1929 FIEJ I .Qs I

Qll

FIELZ Inventor L. Harel atentedlieb. 3, 1931 i e 'i i, v i

L STATES PATENT; oFFIcE LUCIEN HAannor nlinontoivn, 4SP'AINQ i i n lCARBURETOR y' Application led 1-`ebruaryy 13, 1929, Serial No. 339,628,and.n Spain .Tune 21, 1928.

1t is known that in internal combustion enadmitted, the lsmaller thedepression and congines the mixtures oi' gas and vapour should sequentlythe less amount of volatile liquid be as intimate as possible and thevolatile passing lthrough the jet nozzle 1. Conse# iquid finallyatomized in order that the igniquently the driver can graduate therichness 5 tion may take place rapidly and completely of the mixturebyregulating the position of 55i Ithus ensuring a high thermal e'iiicency.the valve cock 9 which controls the admissionV f According to theinvention an intimate of air through one of the said orifices. mixtureof the volatile liquid with air is prof On level roads and indescending, the drive duced with much better results than withl aer'will open `wide the valve cock 9 whereby simple diiiuseig'aswellasqan eifective regulathe air admission will be considerable, and 60tion of the richness of the mixture according the amountofvolatile'liquid small, whilst in to the variable conditions under whichthe ascending, the driver will close the valve cock f 'y inotoroperatesin a motor vehicle. e 9 inorder that the depression in the ychamberAccording to the invention a mixing chami l may be greaterk andthemixture may be i y bei' is provided in whichthe volatile liquid isricher the motor thus developing greater 65l dis-charged from ajetnozzle and in which the power. f i V volatile liquid mixes with airwhich passes Insuchan arrangement, the volatile liquid into the chamberthrough holes one of which passing from the jetv nozzle l'passes intotheis in communication with an air tubehaving a chamber l where'themixtureleaving bythe e valve cock adapted to be regulated by the, 'tubes10, 11,12, 13, 14, 15in the direction of Y0 Vdriver ofthe-vehicle. Themixing chamber they diffuser y16, is more'or lessv richaccordcommunicates with the interior of the diffuser ing tothe positionof the opening of the valve by means of a plurality of tubes in orderthat cock 9.

the mixture may be intimately eected. `It will thus be understood thatsuch an ar- The invention is shown inthe accompanyf rangement operatesas an effectiveeconomizer 75 ing drawings by way of example. e of thecombustible liquid. i

ln the accompanying drawings l The invention may be carried into eect inFigure 1 represents a vertical section of an apparatu'sfand carburetorsof various forms;k apparatuscomprising the invention, while claim: I c e30 Figure 2 is the corresponding plan. i 1. In acarburetor ofthe jettype a tubular '8o In carrying the invention ii'ito effectas il-vatomizing device having the following feae' vlustrated in theaccompanying drawings, the tures in combination:v a chamber above thejet nozzle 1 is mounted within the enlarged jet'nozzle, a passageleading 4from a position lower part 2 of a tube 8, the borey of which isabove the jet nozzle tothe said chamberja 3.5 reduced in diameter forthe main party ot its number of lateralv holes inthe said chamber 85length and opens natl its .upper end into a throughwhich air from theexteriorof the chamber leYconfimuni `zating withl the atmos-` atomizingdevice may pass into the said phere by means of orifices such as 5, 6and 7 chamber, and a number of parallel tubes in except the one whichcommunicates with a position above the said chamber serving as ,40 tube8 `uponwhichisprovided `valve cock, 9, separate and adjacent outlets:trom the said 99- l 45 the diffuser 16.

the free end of thetube 8 communicatingalso y chamber and havingintermediate spaces bewith the atmosphere'. The upper part of the tweenthe said tubes, substantially as hereinchamber 4l; communioatesby vmeansof tubes before described. n y i 10, 1,1, 12, 13, 14j 15 with theinterior of 2.v In carburetors of the jetl type an ato-v' I mizingdevice comprising the jet nozzle, a The air passes to the chamber lthroughv tubular member abover the said nozzle,r said y oriiices such as5, 6, 7 and through'the tube 8,- tubular member having an enlarged partat the intensity of they depression ,in thesaid its upper end formingwithin it a chamber, Chamber being possible of regulation in such andlateral holes therein through which 'air i manner that thegreater thequantity of air? `may pass from, the exterior into the said i@ chamberand parallel tubes at the top of the enlarged part of said tubulaiamember, through which the mixture of Vapour and air from the saidchamber may upwardly pass, the said tubes having spaces between them inposition above the said tubular part, the said tubular part and saidtubes being disposed Within a part adapted to be connected to and tocommunicate with the induction pipe, substantially as hereinbefoiedescribed.

LUGEN HAREL.

